445043340506 has 16 divisors (see below), whose sum is σ = 677950082880. Its totient is φ = 219064111200.

The previous prime is 445043340479. The next prime is 445043340551. The reversal of 445043340506 is 605043340544.

It is a self number, because there is not a number n which added to its sum of digits gives 445043340506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816470 + ... + 1247681.

It is an arithmetic number, because the mean of its divisors is an integer number (42371880180).

Almost surely, 2^445043340506 is an apocalyptic number.

445043340506 is a deficient number, since it is larger than the sum of its proper divisors (232906742374).

445043340506 is a wasteful number, since it uses less digits than its factorization.

445043340506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065829.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 445043340506 its sum of digits (38), we get a palindrome (445043340544).

The spelling of 445043340506 in words is "four hundred forty-five billion, forty-three million, three hundred forty thousand, five hundred six".